from tkinter import *

print("Введите начальную координату X:")
X = int(input())
print("Введите начальную координату Y:")
Y = int(input())
print("Введите коэффицент  увеличения N:")
N = int(input())

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 20, 30, 10, 30, 10, 20, 0, 20]

if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass
else:
    if N >0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print("Размер фигуры превышает максимальный размер поля")
            exit()

root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")


canvas = Canvas(bg = "white", width=500, height=750)
canvas.pack(anchor=CENTER, expand=1)


canvas.create_polygon(coords[0] *N+X, coords[1]  *N+Y,
                      coords[2] *N+X, coords[3]  *N+Y,
                      coords[4] *N+X, coords[5]  *N+Y,
                      coords[6] *N+X, coords[7]  *N+Y,
                      coords[8] *N+X, coords[9]  *N+Y,
                      coords[10] *N+X, coords[11]*N+Y,
                      coords[12] *N+X, coords[13]*N+Y,
                      coords[14] *N+X, coords[15]*N+Y,
                      coords[16] *N+X, coords[17]*N+Y,)
root.mainloop()